单词pre concentration
un.: 预富集；预浓缩
网络: 浓缩富集；前浓缩；预先
预浓缩
预富集
This method achieved a very low limit of detection by pre-concentration to satisfy the requirement of detection of trace estrogens in water.
该方法主要针对水中的痕量雌激素，采用对样品进行富集和测定，从而大大地降低了检测限。
Research of Conditions of Trace Plumbum Pre-Concentration from Water on a Cylinder of Activated Carbon Using Dithizone as a Chelating Agent
双硫腙-活性炭柱富集分离水中痕量铅的条件研究
Application of Pre-concentration of hematite and Exploration of a New Magnetic Separation Technology at Gushan Mine
姑山赤铁矿预选工艺的应用及磁选新工艺的探索
Simultaneous Determination of Trace Nb, Ta, Zr, Hf in Geological Samples by AES after Separation and Pre-concentration with Tannic Cotton
丹宁棉分离富集-发射光谱法同时测定地质样品中微量铌钽锆铪
Dynamic Pre-concentration of Light Hydrocarbons at Room Temperature
低碳烃的常温动态预浓缩方法
Flow Injection On-line Double Micro-column with Chelating Resin Pre-concentration System for Cu, Pb, Cd and Mn Determination by FAAS
流动注射在线螯合树脂双柱预富集火焰原子吸收法测定痕量铜、铅、镉和锰
On-line and Dual Pre-concentration Technique for Large Volume Injection in Capillary Electrophoresis
毛细管电泳大体积进样在柱复合富集技术
Uranium pre-concentration in Miaogou Formation, Lower Cretaceous and its prospecting significance in Chaoshui basin
潮水盆地下白垩统庙沟组铀的预富集及其找矿意义
On-line Sample Pre-concentration Methods in Capillary Electrophoresis
毛细管电泳中样品在线预富集方法
Progress in Indium Recovery and Pre-concentration Technology
稀散金属铟富集与回收技术的研究进展